XML 51 R38.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Goodwill and Other Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Gross Carrying Value | $ 974,000 | $ 1,036,000
Accumulated Amortization | (895,000) | (907,000)
Net Book Value | 79,000 | 129,000
Acquired Technology [Member] |  |
Gross Carrying Value | 150,000 | 150,000
Accumulated Amortization | (71,000) | (21,000)
Net Book Value | 79,000 | 129,000
Acquired Customer Lists [Member] |  |
Gross Carrying Value | 435,000 | 435,000
Accumulated Amortization | $ (435,000) | $ (435,000)
Net Book Value |  |
Trivia Database [Member] |  |
Gross Carrying Value | $ 322,000 | $ 384,000
Accumulated Amortization | $ (322,000) | $ (384,000)
Net Book Value |  |
Trademarks And Trademark Licenses [Member] |  |
Gross Carrying Value | $ 67,000 | $ 67,000
Accumulated Amortization | $ (67,000) | $ (67,000)
Net Book Value |  |

X
- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=NTN_AcquiredTechnologyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=NTN_AcquiredCustomerListsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=NTN_TriviaDatabaseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=NTN_TrademarksAndTrademarkLicensesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |